1 /*
2
3 Copyright 2012, 2014, Free Software Foundation, Inc.
4
5 This file is part of the GNU MP Library test suite.
6
7 The GNU MP Library test suite is free software; you can redistribute it
8 and/or modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 3 of the License,
10 or (at your option) any later version.
11
12 The GNU MP Library test suite is distributed in the hope that it will be
13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15 Public License for more details.
16
17 You should have received a copy of the GNU General Public License along with
18 the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
19
20 #include <limits.h>
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24
25 #include "testutils.h"
26
27 #define MAXBITS 400
28 #define COUNT 10000
29
30 #define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
31 #define MAXLIMBS ((MAXBITS + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS)
32
33 void
testmain(int argc,char ** argv)34 testmain (int argc, char **argv)
35 {
36 unsigned i;
37 mpz_t a, b, res, res_ui, ref, tz;
38 mp_limb_t t[2*MAXLIMBS];
39 mp_size_t an;
40
41 mpz_init (a);
42 mpz_init (b);
43 mpz_init (res);
44 mpz_init (res_ui);
45 mpz_init (ref);
46
47 for (i = 0; i < COUNT; i++)
48 {
49 mini_random_op3 (OP_MUL, MAXBITS, a, b, ref);
50 mpz_mul (res, a, b);
51 if (mpz_cmp (res, ref))
52 {
53 fprintf (stderr, "mpz_mul failed:\n");
54 dump ("a", a);
55 dump ("b", b);
56 dump ("r", res);
57 dump ("ref", ref);
58 abort ();
59 }
60 if (mpz_size (a) == mpz_size (b))
61 {
62 memset (t, 0x55, sizeof(t));
63 an = mpz_size (a);
64 if (an > 0)
65 {
66 mpn_mul_n (t, a->_mp_d, b->_mp_d, an);
67
68 mpz_roinit_n (tz, t, 2*an);
69 if (mpz_cmpabs (tz, ref))
70 {
71 fprintf (stderr, "mpn_mul_n failed:\n");
72 dump ("a", a);
73 dump ("b", b);
74 dump ("ref", ref);
75 abort ();
76 }
77 }
78 }
79 if (mpz_fits_slong_p (b)) {
80 mpz_mul_si (res_ui, a, mpz_get_si (b));
81 if (mpz_cmp (res_ui, ref))
82 {
83 fprintf (stderr, "mpz_mul_si failed:\n");
84 dump ("a", a);
85 dump ("b", b);
86 dump ("r", res_ui);
87 dump ("ref", ref);
88 abort ();
89 }
90 }
91 mini_random_op2 (OP_SQR, MAXBITS, a, ref);
92 an = mpz_size (a);
93 if (an > 0)
94 {
95 memset (t, 0x33, sizeof(t));
96 mpn_sqr (t, mpz_limbs_read (a), an);
97
98 mpz_roinit_n (tz, t, 2*an);
99 if (mpz_cmp (tz, ref))
100 {
101 fprintf (stderr, "mpn (squaring) failed:\n");
102 dump ("a", a);
103 dump ("ref", ref);
104 abort ();
105 }
106 }
107 }
108 mpz_clear (a);
109 mpz_clear (b);
110 mpz_clear (res);
111 mpz_clear (res_ui);
112 mpz_clear (ref);
113 }
114